Oslo Stock Exchange All Share Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 17th, 2026
1 Day
15.28%
increased by 1.88%
1 Week
15.62%
increased by 2.22%
1 Month
16.63%
increased by 3.23%
Analysis last updated: Monday, July 20, 2026 at 02:14 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to May 15, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 253% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0580 | 19.09*** |
α ARCH Response to squared shocks | 0.0504 | 18.39*** |
β GARCH Volatility persistence | 0.8466 | 237.80*** |
γ leverage Additional response to negative shocks | 0.1275 | 17.85*** |
Persistence:
0.961
Half-life:
17 days
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